-/* lkhead.c */
+/* lkhead.c
-/*
- * (C) Copyright 1989-1995
- * All Rights Reserved
- *
- * Alan R. Baldwin
- * 721 Berkeley St.
- * Kent, Ohio 44240
- */
+ Copyright (C) 1989-1995 Alan R. Baldwin
+ 721 Berkeley St., Kent, Ohio 44240
+
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 3, or (at your option) any
+later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <string.h>
#include "aslink.h"
-/*Module lkhead.c
+/*Module lkhead.c
*
- * The module lkhead.c contains the function newhead() which
- * creates a head structure and the function module() which
- * loads the module name into the current head structure.
+ * The module lkhead.c contains the function newhead() which
+ * creates a head structure and the function module() which
+ * loads the module name into the current head structure.
*
- * lkhead.c contains the following functions:
- * VOID newhead()
- * VOID module()
+ * lkhead.c contains the following functions:
+ * VOID newhead()
+ * VOID module()
*
- * lkhead.c contains no local variables.
+ * lkhead.c contains no local variables.
*/
-/*)Function VOID newhead()
- *
- * The function newhead() creates a head structure. All head
- * structures are linked to form a linked list of head structures
- * with the current head structure at the tail of the list.
- *
- * local variables:
- * int i evaluation value
- * head * thp temporary pointer
- * to a header structure
- *
- * global variables:
- * area *ap Pointer to the current
- * area structure
- * lfile *cfp The pointer *cfp points to the
- * current lfile structure
- * head *headp The pointer to the first
- * head structure of a linked list
- * head *hp Pointer to the current
- * head structure
- *
- * functions called:
- * Addr_T expr() lkeval.c
- * VOID * new() lksym.c
- * VOID lkparea() lkarea.c
- *
- * side effects:
- * A new head structure is created and linked to any
- * existing linked head structure. The head structure
- * parameters of file handle, number of areas, and number
- * of global symbols are loaded into the structure.
- * The default area "_abs_" is created when the first
- * head structure is created and an areax structure is
- * created for every head structure called.
+/*)Function VOID newhead()
+ *
+ * The function newhead() creates a head structure. All head
+ * structures are linked to form a linked list of head structures
+ * with the current head structure at the tail of the list.
+ *
+ * local variables:
+ * int i evaluation value
+ * head * thp temporary pointer
+ * to a header structure
+ *
+ * global variables:
+ * area *ap Pointer to the current
+ * area structure
+ * lfile *cfp The pointer *cfp points to the
+ * current lfile structure
+ * head *headp The pointer to the first
+ * head structure of a linked list
+ * head *hp Pointer to the current
+ * head structure
+ *
+ * functions called:
+ * Addr_T expr() lkeval.c
+ * VOID * new() lksym.c
+ * VOID lkparea() lkarea.c
+ *
+ * side effects:
+ * A new head structure is created and linked to any
+ * existing linked head structure. The head structure
+ * parameters of file handle, number of areas, and number
+ * of global symbols are loaded into the structure.
+ * The default area "_abs_" is created when the first
+ * head structure is created and an areax structure is
+ * created for every head structure called.
*/
/*
VOID
newhead()
{
- register int i;
- struct head *thp;
+ register int i;
+ struct head *thp;
- hp = (struct head *) new (sizeof(struct head));
- if (headp == NULL) {
- headp = hp;
- } else {
- thp = headp;
- while (thp->h_hp)
- thp = thp->h_hp;
- thp->h_hp = hp;
- }
- /*
- * Set file pointer
- */
- hp->h_lfile = cfp;
- /*
- * Evaluate and build Area pointer list
- */
- i = hp->h_narea = eval();
- if (i)
- hp->a_list = (struct areax **) new (i*sizeof(struct areax *));
- /*
- * Evaluate and build Global symbol pointer list
- */
- skip(-1);
- i = hp->h_nglob = eval();
- if (i)
- hp->s_list = (struct sym **) new (i*sizeof(struct sym *));
- /*
- * Setup Absolute DEF linkage.
- */
- lkparea(_abs_);
- ap->a_flag = A_ABS;
+ hp = (struct head *) new (sizeof(struct head));
+ if (headp == NULL) {
+ headp = hp;
+ } else {
+ thp = headp;
+ while (thp->h_hp)
+ thp = thp->h_hp;
+ thp->h_hp = hp;
+ }
+ /*
+ * Set file pointer
+ */
+ hp->h_lfile = cfp;
+ /*
+ * Evaluate and build Area pointer list
+ */
+ i = hp->h_narea = eval();
+ if (i)
+ hp->a_list = (struct areax **) new (i*sizeof(struct areax *));
+ /*
+ * Evaluate and build Global symbol pointer list
+ */
+ skip(-1);
+ i = hp->h_nglob = eval();
+ if (i)
+ hp->s_list = (struct sym **) new (i*sizeof(struct sym *));
+ /*
+ * Setup Absolute DEF linkage.
+ */
+ lkparea(_abs_);
+ ap->a_flag = A_ABS;
axp->a_addr = 0;
}
-/*)Function VOID module()
+/*)Function VOID module()
*
- * The function module() copies the module name into
- * the current head structure.
+ * The function module() copies the module name into
+ * the current head structure.
*
- * local variables:
- * char id[] module id string
+ * local variables:
+ * char id[] module id string
*
- * global variables:
- * head *headp The pointer to the first
- * head structure of a linked list
- * head *hp Pointer to the current
- * head structure
- * int lkerr error flag
- * FILE * stderr c_library
+ * global variables:
+ * head *headp The pointer to the first
+ * head structure of a linked list
+ * head *hp Pointer to the current
+ * head structure
+ * int lkerr error flag
+ * FILE * stderr c_library
*
- * functions called:
- * int fprintf() c_library
- * VOID getid() lklex.c
- * char * strncpy() c_library
+ * functions called:
+ * int fprintf() c_library
+ * VOID getid() lklex.c
+ * char * strncpy() c_library
*
- * side effects:
- * The module name is copied into the head structure.
+ * side effects:
+ * The module name is copied into the head structure.
*/
/*
VOID
module()
{
- char id[NCPS];
+ char id[NCPS];
- if (headp) {
- getid(id, -1);
- strncpy(hp->m_id, id, NCPS);
- } else {
- fprintf(stderr, "No header defined\n");
- lkerr++;
- }
+ if (headp) {
+ getid(id, -1);
+ strncpy(hp->m_id, id, NCPS);
+ } else {
+ fprintf(stderr, "No header defined\n");
+ lkerr++;
+ }
}
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